APA (7e ed.) Bronvermelding

Não informado. (1963). World agricultural production and trade. U.S. Department of Agriculture, Foreign Agricultural Service.

Chicago (17e ed.) Bronvermelding

Não informado. World Agricultural Production and Trade. Washington: U.S. Department of Agriculture, Foreign Agricultural Service, 1963.

MLA (8e ed.) Bronvermelding

Não informado. World Agricultural Production and Trade. U.S. Department of Agriculture, Foreign Agricultural Service, 1963.

Let op: Deze citaties zijn niet altijd 100% accuraat.